How frequent is maintenance and when is spare parts replacement necessary?

Maintenance follows detailed manuals. Wear parts like filters and brake pads typically last 6 months, with long-term spare parts availability at economical costs.

Doosan Dh300 Hydraulic 30ton Doosan Used Crawler Digger Backhoe Excavator

Name: Doosan Dh300 Hydraulic 30ton Doosan Used Crawler Digger Backhoe Excavator
Brand: Shanghai Dewangda Engineering Machinery Co., Ltd
SKU: 1976924261

Shanghai, ChinaShanghai Dewangda Engineering Machinery Co., Ltd

US$31,000.00-43,200.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provide

Warranty

1 Year

Model NO.

DH300LC-7

Type

Crawler Excavator

Usage

Special Excavator, Marine Excavator, Mining Excavator, GM Excavator

Bucket

Grab Shovel

Transmission

Hydraulic Transmission

Drive Type

Internal Combustion Drive

Bucket Capacity

>1.5m³

Size

Medium-Sized

Certification

CE, ISO9001: 2000

Condition

Used

Video Outgoing-Inspection

Provided

Working Conditonal

Excellent

Engine Brand

Original Engine

Working Hour

Low Working Hour

Fuel Consumption

Low Fuel Consumption

Work Efficiency

High Efficiency

Transport Package

Export Packaging: Usually Unpacked or Containerize

Specification

30t

Trademark

Doosan

Origin

Korea

HS Code

8429409000

Production Capacity

1000set/Year

Key features

Comprehensive Warranty: Provides 1-year warranty coverage for the excavator with long-term spare parts supply.

Rigorous Quality Inspection: Expert engineering team conducts comprehensive inspections before every shipment.

Fast Delivery Timeline: Equipment dispatched within 2 days post-payment based on stock availability.

Flexible Payment Options: Accepts T/T, L/C, PayPal, Western Union, and installment or leasing options.

Global Shipping Solutions: Offers sea, air, and land shipping with export customs clearance support.

Original Engine Guarantee: Features original Doosan engine with low working hours and excellent condition.

Certified Quality Standards: Product certified with CE and ISO9001: 2000 standards for reliability.

Complete After-Sales Support: Includes remote assistance, on-site engineering, and operation training services.

Company profile

Shanghai Dewangda Engineering Machinery Co., LtdShanghai, China

Business Type: Manufacturer/FactoryExport Year: 2010-08-01Nearest Port: shanghai, penglai, tianjinAverage Response Time: ≤5.40hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryShanghai Dewangda Engineering Machinery Co., Ltd. is identified as a China-based manufacturer/factory and limited company operating in Shanghai. It supplies used construction and transportation machinery, including truck cranes, excavators, pump trucks, crawler cranes, and cement tankers. The supplier reports multiple management-system certifications, 11–20 R&D engineers, 6–10 quality-control staff, and more than 10 production lines. It states that it has exported since 2010, possesses self-operated import and export rights, serves markets across multiple regions, and derives 90% of sales from exports. The supplier describes technical assistance, maintenance, transportation arrangements, and tailored after-sales support, but no specific customer cases or independently verifiable performance records are provided. Registered capital is not assessed or disclosed here in accordance with the privacy requirement.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and a limited company in China. Its stated business covers used construction machinery and transportation-related equipment, including truck cranes, excavators, pump trucks, crawler cranes, and cement tankers.

CertificationsThe supplier lists BSCI, ISO 9000, ISO 9001, ISO 14001, HSE, GMP, and QC 080000 certifications or management-system credentials. The provided data does not include certificate numbers, issue dates, scopes, or verification status, but the listed range is explicit evidence of certification holding.

After-Sales capabilityDewanda states that it provides technical assistance, maintenance solutions, purchase consultation, transportation arrangements, tailored support, and comprehensive after-sales service. These statements support an asserted service capability, although no service-level metrics, warranty terms, or case records are provided.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, export operations since 2010, self-operated import and export rights, and stated order fulfillment within 15 workdays in both off-peak and peak seasons. These indicators support substantial operating capability, though the product-specific capacity and fulfillment history are not independently documented.

Customization capabilityThe supplier explicitly offers tailored support and tailor-made solutions, and states that its product variety can meet multifarious customer demands. The available information does not specify engineering customization, minimum order requirements, or examples of customized equipment.

Product Q&A

Q:How do you ensure quality assurance and authenticity?

All machines are genuine originals. Our expert engineering team conducts rigorous inspections prior to every shipment.

Q:What products can you acquire from us?

We offer Used Cranes, Truck Cranes, Pump Trucks, Crawler Cranes, Cement Tankers, Excavators, Graders, Loaders, Bulldozers, Rollers, and Dump Trucks.

Q:What after-sales services do you offer?

We provide warranty (usually 1 year or more), long-term spare parts supply, technical support (remote or on-site), and comprehensive operation training.

Q:What are your pricing and payment options?

Pricing varies by model and volume. We accept T/T, L/C, PayPal, Western Union, and offer installment or leasing options for select equipment.

Q:What are the shipping and delivery timelines?

Equipment is typically dispatched within 2 days post-payment. We support sea, air, and land shipping with export customs clearance.